San Isidro weather
The weather is fairly even all year. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for San Isidro, Lima region, Peru.
Best Time to Visit
Weather stays about the same all year.
San Isidro weather by month
When is the best time to visit San Isidro?
San Isidro's weather stays fairly even through the year, so any month works, according to NASA's 2001–2025 climate averages. Average highs run from 21°C (70°F) in July to 23°C (74°F) in March.
What is the rainiest month in San Isidro?
February is the wettest month, with about 5 mm (0.2 in) of rain on average. October is the driest, with about 1 mm (0.0 in).
What is the hottest month in San Isidro?
March is the warmest, with average highs of 23°C (74°F) and lows of 17°C (62°F). July is the coolest, with highs of 21°C (70°F) and lows of 12°C (54°F).
Does San Isidro have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is February at about 5 mm (0.2 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months